Question

Write two differences between the following pairs?
(i) Phenotype and Genotype
(ii) Homozygous and Heterozygous

Answer 1

Phenotype	Genotype
It is observable character or expression of the genotype.	It is the genetic makeup of an individual.
Hair colour is an example of phenotype.	DNA, genes are responsible for genotype.
It can be determined by observation of an individual.	It can be determined by genotyping.
It cannot be inherited.	It is partly inherited.

Homozygous	Heterozygous
It is pure for a trait. It produces similar homozygous offsprings.	It produces offsprings with different genotype.
Both the alleles of a trait is similar.	It carries two different alleles for a trait.
It carries either dominant or recessive alleles.	It carries one dominant and one recessive allele.
It produces one type of gamete.	It produces two types of gametes.